用前端聚合法制备了聚(N-异丙基丙烯酰胺)/多壁碳纳米管(PNIPAM/MWCNTS)复合水凝胶,对产物的微观形貌、温敏性、力学性能和释药性能进行了研究。结果表明,PNIPAM/MWCNTS复合水凝胶具有温度敏感性,MWCNTS的加入不影响水凝胶的低临界转变...用前端聚合法制备了聚(N-异丙基丙烯酰胺)/多壁碳纳米管(PNIPAM/MWCNTS)复合水凝胶,对产物的微观形貌、温敏性、力学性能和释药性能进行了研究。结果表明,PNIPAM/MWCNTS复合水凝胶具有温度敏感性,MWCNTS的加入不影响水凝胶的低临界转变温度,随MWCNTS含量增加,水凝胶吸水能力降低,力学强度显著提高,当MWCNTS的含量由0%增至10%时,水凝胶的压缩强度从88 k Pa增加到666 k Pa。复合水凝胶具有良好的药物缓释性能。展开更多
The "single chain" microgels were synthesized successfully from the crosslinkable Poly( N isopropylacrylamide) copolymers. The viscosity properties show that the microgels have an even higher LCST than that ...The "single chain" microgels were synthesized successfully from the crosslinkable Poly( N isopropylacrylamide) copolymers. The viscosity properties show that the microgels have an even higher LCST than that of the corresponding linear copolymers.展开更多
文摘用前端聚合法制备了聚(N-异丙基丙烯酰胺)/多壁碳纳米管(PNIPAM/MWCNTS)复合水凝胶,对产物的微观形貌、温敏性、力学性能和释药性能进行了研究。结果表明,PNIPAM/MWCNTS复合水凝胶具有温度敏感性,MWCNTS的加入不影响水凝胶的低临界转变温度,随MWCNTS含量增加,水凝胶吸水能力降低,力学强度显著提高,当MWCNTS的含量由0%增至10%时,水凝胶的压缩强度从88 k Pa增加到666 k Pa。复合水凝胶具有良好的药物缓释性能。
文摘The "single chain" microgels were synthesized successfully from the crosslinkable Poly( N isopropylacrylamide) copolymers. The viscosity properties show that the microgels have an even higher LCST than that of the corresponding linear copolymers.
